The effects of pollen clumping on pollen germination and early tube growth in Clarkia unguiculata (Onagraceae)
Pollen germination and early tube growth were compared in Clarkia unguiculata under two different pollen deposition treatments. Pollen grains were deposited on the surface of the stigma either as clumps or spread evenly on the stigmatic surface. Pollinated flowers were collected and fixed at 15 min...
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| Veröffentlicht in: | International journal of plant sciences 1997-05, Vol.158 (3), p.292-297 |
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| container_title | International journal of plant sciences |
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| creator | Nemeth, M.B. (Miami University, Oxford, OH.) Smith-Huerta, N.L |
| description | Pollen germination and early tube growth were compared in Clarkia unguiculata under two different pollen deposition treatments. Pollen grains were deposited on the surface of the stigma either as clumps or spread evenly on the stigmatic surface. Pollinated flowers were collected and fixed at 15 min or 1, 4, or 7 h postpollination. Stigmas and styles were stained with aniline blue and viewed using fluorescence microscopy. Germination rates, numbers of pollen tubes per grain, and numbers of pollen tubes in the upper style were determined for both treatments. Pollen grains spread on the stigma did not have a significant advantage over clumped pollen. By 1 h postpollination, both clumped and spread pollen grains had reached maximal germination, without significant differences between treatments. By 4 h postpollination, the maximum number of pollen tubes in the upper style was reached, without significant difference between the clumped and the spread pollen treatments. An average of ca. 2.5 pollen tubes were produced per pollen grain in both the clumped and the spread treatments. |
| doi_str_mv | 10.1086/297440 |
| format | Article |
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(Miami University, Oxford, OH.) ; Smith-Huerta, N.L</creator><creatorcontrib>Nemeth, M.B. (Miami University, Oxford, OH.) ; Smith-Huerta, N.L</creatorcontrib><description>Pollen germination and early tube growth were compared in Clarkia unguiculata under two different pollen deposition treatments. Pollen grains were deposited on the surface of the stigma either as clumps or spread evenly on the stigmatic surface. Pollinated flowers were collected and fixed at 15 min or 1, 4, or 7 h postpollination. Stigmas and styles were stained with aniline blue and viewed using fluorescence microscopy. Germination rates, numbers of pollen tubes per grain, and numbers of pollen tubes in the upper style were determined for both treatments. Pollen grains spread on the stigma did not have a significant advantage over clumped pollen. By 1 h postpollination, both clumped and spread pollen grains had reached maximal germination, without significant differences between treatments. By 4 h postpollination, the maximum number of pollen tubes in the upper style was reached, without significant difference between the clumped and the spread pollen treatments. 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(Miami University, Oxford, OH.)</creatorcontrib><creatorcontrib>Smith-Huerta, N.L</creatorcontrib><title>The effects of pollen clumping on pollen germination and early tube growth in Clarkia unguiculata (Onagraceae)</title><title>International journal of plant sciences</title><description>Pollen germination and early tube growth were compared in Clarkia unguiculata under two different pollen deposition treatments. Pollen grains were deposited on the surface of the stigma either as clumps or spread evenly on the stigmatic surface. Pollinated flowers were collected and fixed at 15 min or 1, 4, or 7 h postpollination. Stigmas and styles were stained with aniline blue and viewed using fluorescence microscopy. Germination rates, numbers of pollen tubes per grain, and numbers of pollen tubes in the upper style were determined for both treatments. Pollen grains spread on the stigma did not have a significant advantage over clumped pollen. By 1 h postpollination, both clumped and spread pollen grains had reached maximal germination, without significant differences between treatments. By 4 h postpollination, the maximum number of pollen tubes in the upper style was reached, without significant difference between the clumped and the spread pollen treatments. An average of ca. 2.5 pollen tubes were produced per pollen grain in both the clumped and the spread treatments.</description><subject>ADHESION</subject><subject>Botany</subject><subject>CRECIMIENTO</subject><subject>CROISSANCE</subject><subject>DEPOSITION</subject><subject>Flower stigma</subject><subject>Flowers</subject><subject>Flowers & plants</subject><subject>GERMINACION</subject><subject>GERMINATION</subject><subject>GINECEO</subject><subject>GROWTH</subject><subject>GYNECEE</subject><subject>GYNOECIUM</subject><subject>MECHANICAL PROPERTIES</subject><subject>ONAGRACEAE</subject><subject>Plant growth</subject><subject>Plant reproduction</subject><subject>Plants</subject><subject>POLEN</subject><subject>POLINIZACION</subject><subject>POLLEN</subject><subject>Pollen germination</subject><subject>POLLEN TUBES</subject><subject>POLLINATION</subject><subject>POLLINISATION</subject><subject>PROPIEDADES MECANICAS</subject><subject>PROPRIETE MECANIQUE</subject><subject>Reproductive Biology</subject><subject>STIGMA</subject><subject>STYLES</subject><subject>TUBE DU POLLEN</subject><subject>TUBOS POLINICOS</subject><issn>1058-5893</issn><issn>1537-5315</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1997</creationdate><recordtype>article</recordtype><recordid>eNo9kM1OwzAQhCMEEqXAAyAOFgcEh4Dt2LVzRBV_UqUeaM-R7azTlNQOdiLUtycQ4LSr2W9ntZMk5wTfESxn9zQXjOGDZEJ4JlKeEX449JjLlMs8O05OYtxijHNO80niVhtAYC2YLiJvUeubBhwyTb9ra1ch7_6kCsKudqqrB0m5EoEKzR51vQZUBf_ZbVDt0LxR4b1WqHdVX5u-UZ1CN0unqqAMKLg9TY6saiKc_dZpsn56XM1f0sXy-XX-sEgNlbJLrRaSZLrkQmlDMSeQi5kUJTMKazGjrJQ5kdaUkFFNcwLANBiuCTfG5lZn0-Rq9G2D_-ghdsXW98ENJwsqmGCSCTlA1yNkgo8xgC3aUO9U2BcEF99RFmOUA3g5gtvY-fBPUSY4_fG5GMdW-WJ4tY7F-m3YpCQj2RdKCXhZ</recordid><startdate>19970501</startdate><enddate>19970501</enddate><creator>Nemeth, M.B. 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(Miami University, Oxford, OH.) ; Smith-Huerta, N.L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c288t-fb7813bd57abc2051e97687d4ca0b7624d8918fcde32b291ee4bec5b15ccf9fb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1997</creationdate><topic>ADHESION</topic><topic>Botany</topic><topic>CRECIMIENTO</topic><topic>CROISSANCE</topic><topic>DEPOSITION</topic><topic>Flower stigma</topic><topic>Flowers</topic><topic>Flowers & plants</topic><topic>GERMINACION</topic><topic>GERMINATION</topic><topic>GINECEO</topic><topic>GROWTH</topic><topic>GYNECEE</topic><topic>GYNOECIUM</topic><topic>MECHANICAL PROPERTIES</topic><topic>ONAGRACEAE</topic><topic>Plant growth</topic><topic>Plant reproduction</topic><topic>Plants</topic><topic>POLEN</topic><topic>POLINIZACION</topic><topic>POLLEN</topic><topic>Pollen germination</topic><topic>POLLEN TUBES</topic><topic>POLLINATION</topic><topic>POLLINISATION</topic><topic>PROPIEDADES MECANICAS</topic><topic>PROPRIETE MECANIQUE</topic><topic>Reproductive Biology</topic><topic>STIGMA</topic><topic>STYLES</topic><topic>TUBE DU POLLEN</topic><topic>TUBOS POLINICOS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nemeth, M.B. (Miami University, Oxford, OH.)</creatorcontrib><creatorcontrib>Smith-Huerta, N.L</creatorcontrib><collection>AGRIS</collection><collection>CrossRef</collection><collection>Ecology Abstracts</collection><collection>Environment Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>Environment Abstracts</collection><jtitle>International journal of plant sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nemeth, M.B. (Miami University, Oxford, OH.)</au><au>Smith-Huerta, N.L</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The effects of pollen clumping on pollen germination and early tube growth in Clarkia unguiculata (Onagraceae)</atitle><jtitle>International journal of plant sciences</jtitle><date>1997-05-01</date><risdate>1997</risdate><volume>158</volume><issue>3</issue><spage>292</spage><epage>297</epage><pages>292-297</pages><issn>1058-5893</issn><eissn>1537-5315</eissn><abstract>Pollen germination and early tube growth were compared in Clarkia unguiculata under two different pollen deposition treatments. Pollen grains were deposited on the surface of the stigma either as clumps or spread evenly on the stigmatic surface. Pollinated flowers were collected and fixed at 15 min or 1, 4, or 7 h postpollination. Stigmas and styles were stained with aniline blue and viewed using fluorescence microscopy. Germination rates, numbers of pollen tubes per grain, and numbers of pollen tubes in the upper style were determined for both treatments. Pollen grains spread on the stigma did not have a significant advantage over clumped pollen. By 1 h postpollination, both clumped and spread pollen grains had reached maximal germination, without significant differences between treatments. By 4 h postpollination, the maximum number of pollen tubes in the upper style was reached, without significant difference between the clumped and the spread pollen treatments. An average of ca. 2.5 pollen tubes were produced per pollen grain in both the clumped and the spread treatments.</abstract><cop>Chicago</cop><pub>The University of Chicago Press</pub><doi>10.1086/297440</doi><tpages>6</tpages></addata></record> |
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| ispartof | International journal of plant sciences, 1997-05, Vol.158 (3), p.292-297 |
| issn | 1058-5893 1537-5315 |
| language | eng |
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| source | JSTOR Archive Collection A-Z Listing |
| subjects | ADHESION Botany CRECIMIENTO CROISSANCE DEPOSITION Flower stigma Flowers Flowers & plants GERMINACION GERMINATION GINECEO GROWTH GYNECEE GYNOECIUM MECHANICAL PROPERTIES ONAGRACEAE Plant growth Plant reproduction Plants POLEN POLINIZACION POLLEN Pollen germination POLLEN TUBES POLLINATION POLLINISATION PROPIEDADES MECANICAS PROPRIETE MECANIQUE Reproductive Biology STIGMA STYLES TUBE DU POLLEN TUBOS POLINICOS |
| title | The effects of pollen clumping on pollen germination and early tube growth in Clarkia unguiculata (Onagraceae) |
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